alucard_hotplug: small changes.
alucard_hotplug ver 2: Stable.

Conflicts:
	arch/arm/mach-msm/alucard_hotplug2.c
alucard_hotplug version 2 in testing.
Optimized my cpu governors.
Optimize alucard_hotplug (1st + 2nd version).
Removed alucard_thermal(alucard_hotplug).

Conflicts:
	arch/arm/configs/alucard_defconfig
Linux 3.4.89

Conflicts:
	drivers/usb/host/xhci.c
alucard_hotplug: use wq efficient. Implemented cpu hotplugging notifier
Fixed sampling rate for other cpu governors. Thanks to @Dorimanx.
WQ_POWEREFFICIENT for alucard, darkness, nightmare governors.
Linux 3.4.90
remove annoying unwind warning
sched: Add sysinterface for GENTLE_FAIR_SLEEPERS

Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
Default swappiness = 60
Removed useless file.
Intelli_thermal optimization
Optimized all governors. Thanks to Yuri.
cpufreq_verify_within_cpu_limits function.
General optimizations.
Imported msm_hotplug. Thanks to @dorimanx.
Optimized drivers and msm cpufreq
Revert "Imported msm_hotplug. Thanks to @dorimanx."

This reverts commit ff967edee035785d9dfba347e4278a907e3af99e.
Add missing list_add_tail_rcu in kernel/fork.c Thanks @neobuddy89
Alwas set noatime no diratime on all partitions! I/O Boost!

Also mod read_ahead to 512. as seems that is faster! in test apps.
Alwas set noatime no diratime on all partitions! I/O Boost! V2
new helper: sigsuspend()

guts of saved_sigmask-based sigsuspend/rt_sigsuspend.  Takes
kernel sigset_t *.

Open-coded instances replaced with calling it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>